Home / 185,233,900.79-255,923,035.56-157,648,127.09

Finding the Fourth Proportional to 185,233,900.79, 255,923,035.56 and 157,648,127.09

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Solution

The fourth proportional to 185,233,900.79, 255,923,035.56 and 157,648,127.09 is: 217,809,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,233,900.79 : 255,923,035.56 = 157,648,127.09 : x
  2. Step 2: Convert to fraction form
    185,233,900.79/255,923,035.56 = 157,648,127.09/x
  3. Step 3: Cross multiply
    185,233,900.79x = 255,923,035.56 × 157,648,127.09
  4. Step 4: Simplify right side
    185,233,900.79x = 40,345,787,233,941,856
  5. Step 5: Solve for x
    x = 40,345,787,233,941,856/185,233,900.79
  6. Step 6: Final answer
    x = 217,809,953.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.